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Tuesday, August 11, 2009

DC Motor Analyzer Finished

Well, it looks like I've finished the updates on my DC motor analyzer software. I still have to do some more testing before I make it available but here are some screenshots. The yellow highlighted sections are new parts to the program. They are only highlighted here for you to see, the program normally doesn't show that. The first picture below is in the HAWT mode, or horizontal axis wind turbine. The second picture is in VAWT mode. So, you can do savonious or other vertical axis wind turbines.

Something to be aware of if you go to the VAWT calculator web page on my website, is that those computations also account for about a 55% efficiency dc motor. So, if you take a savonious and the blades are 15% efficient and the motor is 55%, then on the new motor analyzer software you would put in 8% efficiency. On the website, this was done in the background. But the new program gives you more control.

For instance, if you have blades that are 30% efficient for a HAWT and your DC motor is 60% efficient, then you can put 18% in the efficiency field and get a nice "real world" expectation. Especially when you put in the cable length and gauge.

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DIY Motor Analyzer

Will that permanent magnet motor work in your homemade wind turbine? This takes all the guesswork out of designing your own system. Save yourself the headache and DO THE MATH before you purchase a motor.
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